Show:
Addition
Subtraction
Addition
Subtraction
100

10000+800

10800

100

879-276

603

100

876+987

1863

100

876-627

349

200

800+500

1300

200

900-273

672

200

978+276

1254

200

896-529

367
300

900+700

1600

300

901-870

31

300

875+987

1862

300

897-711

185


400

500+(150+100)

750

400

8011-971

7140

400

2001+101

2102
400

519-379

140

500

887+100

987

500

911-781

130

500

876+919

1795

500

8738-5364

3374